General
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Target
SolaraBootstrapper.exe
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Size
12KB
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Sample
240521-tvha6sbf9y
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MD5
74494703e5f44eeb9aa037f0f50bf682
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SHA1
fcfd8813e63cd61c5bfd2db605827fb9070fe8e9
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SHA256
3e4f692506d372bebc12d344c5f1543b67fa1dbe095c910aab78456510d7fe66
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SHA512
dbd2a8d928c797c70c4286d8ebabe202902445ed60e94eeccf33c7e3d794c7e362139187dcd1a57a4919503c1c791cfbe38f6f6eff454248382b3c4e023791fe
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SSDEEP
192:WrnDHbLupIapaLPr/XKnxxTc1l6VXtrNjA:WrnzHUIapazzKxm1cVdZj
Static task
static1
Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
SolaraBootstrapper.exe
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Size
12KB
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MD5
74494703e5f44eeb9aa037f0f50bf682
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SHA1
fcfd8813e63cd61c5bfd2db605827fb9070fe8e9
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SHA256
3e4f692506d372bebc12d344c5f1543b67fa1dbe095c910aab78456510d7fe66
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SHA512
dbd2a8d928c797c70c4286d8ebabe202902445ed60e94eeccf33c7e3d794c7e362139187dcd1a57a4919503c1c791cfbe38f6f6eff454248382b3c4e023791fe
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SSDEEP
192:WrnDHbLupIapaLPr/XKnxxTc1l6VXtrNjA:WrnzHUIapazzKxm1cVdZj
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of NtSetInformationThreadHideFromDebugger
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